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If sin alpha +cos alpha =(sqrt(3)+1)/(2)...

If `sin alpha +cos alpha =(sqrt(3)+1)/(2), 0 lt alpha lt 2pi`, then possible values `"tan"(alpha)/(2)` can take is/are :

A

`2-sqrt(3)`

B

`(1)/(sqrt(3))`

C

1

D

`sqrt(3)`

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The correct Answer is:
A, B
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VK JAISWAL-COMPOUND ANGLES-Exercise-2 : One or More than One Answer is/are Correct
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  2. Which of the following is/are +ve ?

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  7. If 0 lt x lt (pi)/(2) and sin^(n)x+cos^(n)x ge 1, then 'n' may belong ...

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  9. If x = X cos theta- Y sin theta, y = X sin theta + Y cos theta and x^2...

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  12. If alpha=sin x cos^(3) x and beta=cos x sin^(3) x, then :

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  13. If (pi)/(2) lt theta lt pi, then possible answers of sqrt(2+sqrt(2+2c...

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  14. If cot^(3)alpha+cot^(2)alpha+cot alpha=1 then which of the following i...

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  15. The value of x in (0,pi/2) satisfying (sqrt(3)-1)/(sinx)+(sqrt(3)+1)/(...

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  16. If alpha gt (1)/(sin^(6)x+cos^(6)x) AA x in R, then alpha can be

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  17. If x in (0, (pi)/(2)) and sinx=(3)/(sqrt(10)), Let k=log(10)sinx+log...

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  18. If A, B, C are angles of Delta ABC and tan A tan C = 3, tan B tan C =...

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  19. The value of (sin x-cos x)/(sin^(3)x) is equal to :

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  20. If f(x)=sin^(2)x+sin^(2)(x+(2pi)/(3))+sin^(2)(x+(4pi)/(3)) then :

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